A 3-phase, 37.3 kW, 440 V, 50 Hz induction motor runs at full load with an efficiency of 89 % and PF 0.85 lagging. Find (a) the total kvar of capacitors needed to raise the PF to 0.95 lagging, and the capacitance per phase in µF if the capacitors are connected (b) in delta and (c) in star.